Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 2 - Think and Discuss: 86


Yes, the magnitude of the normal force will change as the table is tilted. It will decrease.

Work Step by Step

For an object at rest on a table, the normal force is greatest when the table surface is horizontal, and decreases as the table is tilted more and more. As a side note, if the book is to remain at rest, there must be a frictional force acting parallel to the table surface. As the table approaches the vertical, the magnitude of the normal force approaches zero. The normal force is discussed on page 32.
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